#include<bits/stdc++.h>
using namespace std;
int a[100005],cnt[100005];
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    int n;
    scanf("%d",&n);
    for(int i=1;i<=n;i++)scanf("%d",&a[i]);
    for(int i=1;i<=n;i++)cnt[a[i]]++;
    int mx=0;
    for(int i=1;i<=100000;i++)mx=max(mx,cnt[i]);
    printf("%d",mx);
    return 0;
}